SwiftUI 豆知識 - よちよち Swift

2020/11/27 よちよち Swift 勉強会での発表スライドです。

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1. Megabits @Megabits_mzq
2. Megabits @Megabits_mzq
4. @Megabits_mzq SwiftUI ⾖知識 SwiftUI 完全に理解した （ではない
5. struct MyAppsView_Previews: PreviewProvider { static var previews: some View { MyAppsView() } }
7. 􀆄 􀥥
8. import PlaygroundSupport struct MainView: View { var body: some View { ······ } } PlaygroundPage.current.setLiveView(MainView())
11. struct MyAppsView_Previews: PreviewProvider { static var previews: some View { MyAppsView() } }
14. struct ContentView_Previews: PreviewProvider { static var previews: some View { ContentView() .previewLayout(.sizeThatFits) } }
15. Circle().background(Color.yellow)
16. Circle().background(Color.yellow.brightness(0.5))
17. Circle().background(Color.yellow.brightness(0.5))
18. Circle().background(Color.yellow.saturation(0.3))
19. Circle().background(Color.yellow.saturation(0.3))
20. Circle().background(Color.yellow.saturation(0.3)) Circle().foregroundColor(Color.yellow.saturation(0.3)) 􀆄 􀥥
22. NavigationView { }
23. NavigationView { }.navigationViewStyle(StackNavigationViewStyle())
25. struct PopoutAlertView: View { var body: some View { ZStack { RoundedRectangle(cornerRadius: 15) .foregroundColor(Color.green) Text(title) .font(.headline) .padding() } } }
26. struct PopoutAlertView: View { var body: some View { ZStack { RoundedRectangle(cornerRadius: 15) .foregroundColor(Color.green) .layoutPriority(-1) Text(title) .font(.headline) .padding() } } }
28. ありがとうございました Twitter My Apps